GSTM1 and anemia: The blood routine of the Hb Fukuyama (HBB:c.232C>T) diagnosed individual showed microcytic hypochromic anaemia, with a lower Hb level (64 g/L), mean corpuscular volume (MCV) of 71.5 fL and mean corpuscular haemoglobin (MCH) of 21.5 pg.